* {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  height: 100vh;
  overflow: hidden;
  width: 100vw;
  display: flex;
}

.left {
  width: 35%;
  height: 100vh;
  position: relative;
}
.miao {
  position: absolute;
  width: 100%;
  height: 100vh;
  left: 0;
  top: 0;
  background-color: #ebed5d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: all 1s ease;
}

h1 {
  color: white;
  font-size: 55px;
  margin-bottom: 5px;
}

.loc {
  color: white;
  font-size: 33px;
}

.right {
  position: relative;
  width: 65%;
  height: 100vh;
  right: 0;
  top: 0;
}

img {
  display: block;
  position: absolute;
  height: 100%;
  left: 0;
  transition: all 1s ease;
}

.btn {
  width: 100px;
}

.up {
  width: 70px;
  height: 70px;
  position: absolute;
  top: calc(50% + 35px);
  left: 0;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  background-color: white;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.down {
  position: absolute;
  width: 70px;
  height: 70px;
  top: calc(50% - 35px);
  right: 0;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
  background-color: white;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.miao.m1 {
  background-color: #bca56d;
}

.miao.m2 {
  background-color: #11443d;
}
